Search results for: A. Szynal
Commentationes Mathematicae > 2018 > Vol. 58, No. 1/2 > 11--17
Opuscula Mathematica > 2017 > Vol. 37, no. 4 > 479--490
Journal of Mathematics and Applications > 2007 > Vol. 29 > 137-141
Journal of Mathematics and Applications > 2006 > Vol. 28 > 147-151